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7H - Rocks
| Question | Answer |
|---|---|
| What does geologist do? | Study rocks. |
| What are the three types of rocks? | Igneous, sedimentary and metamorphic rocks. |
| What do you call rocks when their grains fit together with no gaps? | Interlocking crystals. |
| What do you call when water can go through rocks? | Permeable |
| What do you call when water can not go through rocks? | Impermeable |
| What do you call when rocks when their grains are non interlocking? | Porous |
| What do you called the combination of sizes and shapes of grains in the rock? | Texture of rock. |
| When rain falls on to the rocks, it reacts with the minerals, what is this called? | Chemical weathering |
| Does granite weather faster than limestone or vice versa? | Granite. |
| Give an example of a physical change? | Expansion of rock. |
| What is freeze thaw action? | When water freezes in the cracks of the rock and then melts which make the rock break. |
| What is biological weathering? | When the roots of the plants break the rocks apart. |
| What do you call the process when the rocks get transported to another place from its original? | Erosion |
| What do you call the bits of rocks? | Sediments. |
| When rocks get heated, what do they do? | Expand. |
| When rocks get cooled, what do they do? | Contract. |
| What is onion skin weathering? | Is when the sheets of the rock to peel off. |
| What are glaciers? | Rivers of ice. |
| What is abrasion? | When the rock fragments knock against each other and wear away. |
| Sediments carried by water or ice are__________ when the water slows down or when the ice melts. | Deposited. |
| How do you change from sediments into sedimentary rocks? | Compaction and cementation. |
| What are fossils? | Fossils are when dead animals or plants become covered in a layer of sediments before they rot away. |
| What is limestone mainly made out of? | A white mineral formed from calcium carbonate |
| What are coal oil and natural gas? | Fossil fuels. |
| Rocks form from sediments often have what? | Layers. |
Created by:
nathanielvo
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